Malicious PDF — malware analysis report

Static analysis result for SHA-256 117ce84aec79d354…

MALICIOUS

PDF

63.9 KB Created: 2020-12-17 22:14:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 14863fbc257d721116603f87b8ae3c85 SHA-1: 0d0b4eeb60d5f932e6f53c79855802029ef0d819 SHA-256: 117ce84aec79d3547dfcb5dc4d9e6f5fb95f045e0de4721a4fc957aac0b5205a
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://trafficel.ru/123?utm_term=teleport+dnd+5e PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4496605/normal_5fc748091fe64.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/varolexexus/zozemitidisonetazepo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c393f3cd-52b4-4894-8d0e-08eb83a470ba/35903853506.pdfIn PDF document text
    • https://s3.amazonaws.com/zizene/antraks_pada_manusia.pdfIn PDF document text
    • https://s3.amazonaws.com/fejakixoweka/ver_imei_si_esta_reportado.pdfIn PDF document text
    • https://s3.amazonaws.com/zetituri/roravufisixufitogozig.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8e74ea82-c3e7-441e-8bec-366634f984ef/38409548326.pdfIn PDF document text
    • https://s3.amazonaws.com/pozokimepe/66014036438.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18bb02ae-7491-4ded-ab16-60661659838d/lord_of_the_flies_chapter_9_quotes.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c1ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC1EE 4636 bytes
SHA-256: b16b152857a70c2f73c6194b02fc6674e2974032732fab09237d8fc7907cfaf4
font_01_sfnt_off0000d1c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1C4 9884 bytes
SHA-256: 501cc68ae7e465196096f7ee32e83006503d4eaf4cfe2e669ca8d41b6aca8e89

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